Glass Filled Ruby Scam Or Gemology Breakthrough

What if we told you there's a fascinating process that can turn a cloudy, dull Gem-A guest lecturer Julia Griffith FGA DGA, tells us more about the most prevalent treatment of corundum: lead Check our 5 Stars reviews on Google Maps: Ask your Off the Cuff Nick Hodgson at The Bangkok Gem Show on Please subscribe to our channel so you dont miss any updates when we upload another educational video on emeralds,